Finding the Fourth Proportional to 606,472.20, 909,708.30 and 538,237.80
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Solution
The fourth proportional to 606,472.20, 909,708.30 and 538,237.80 is: 807,356.70
Step by Step Solution
- Step 1: Write the proportion equation
606,472.20 : 909,708.30 = 538,237.80 : x - Step 2: Convert to fraction form
606,472.20/909,708.30 = 538,237.80/x - Step 3: Cross multiply
606,472.20x = 909,708.30 × 538,237.80 - Step 4: Simplify right side
606,472.20x = 489,639,394,033.74 - Step 5: Solve for x
x = 489,639,394,033.74/606,472.20 - Step 6: Final answer
x = 807,356.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.